Do you think he can unite the country? Do you think he wants to? Do his supporters want him to?
The answer to all those questions is a resounding "no". Again, I'm not sure how you can't see it. The two party shitshow has literally driven people insane, driving them to doing insane things, like voting for bad candidates on purpose, simply out of fear that there is a worse one lurking. We seriously shouldn't even bother with elections at that point.
The bottom line is, the two shit parties have co-opted elections as a battlefield in their motherfucking "culture war". Nothing else matters to them. They know they're electing shitty leaders and they don't give a fuck. As long as it gets one over on their "enemies".